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/*
* Copyright (c) 1995, David Greenman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
#define FXP_VENDORID_INTEL 0x8086
#define FXP_DEVICEID_i82557 0x1229
#define FXP_PCI_MMBA 0x10
#define FXP_PCI_IOBA 0x14
struct fxp_csr {
volatile u_int8_t :2,
scb_rus:4,
scb_cus:2;
volatile u_int8_t scb_statack;
volatile u_int8_t scb_command;
volatile u_int8_t scb_intrcntl;
volatile u_int32_t scb_general;
volatile u_int32_t port;
volatile u_int16_t flash_control;
volatile u_int16_t eeprom_control;
volatile u_int32_t mdi_control;
};
#define FXP_PORT_SOFTWARE_RESET 0
#define FXP_PORT_SELFTEST 1
#define FXP_PORT_SELECTIVE_RESET 2
#define FXP_PORT_DUMP 3
#define FXP_SCB_RUS_IDLE 0
#define FXP_SCB_RUS_SUSPENDED 1
#define FXP_SCB_RUS_NORESOURCES 2
#define FXP_SCB_RUS_READY 4
#define FXP_SCB_RUS_SUSP_NORBDS 9
#define FXP_SCB_RUS_NORES_NORBDS 10
#define FXP_SCB_RUS_READY_NORBDS 12
#define FXP_SCB_CUS_IDLE 0
#define FXP_SCB_CUS_SUSPENDED 1
#define FXP_SCB_CUS_ACTIVE 2
#define FXP_SCB_STATACK_SWI 0x04
#define FXP_SCB_STATACK_MDI 0x08
#define FXP_SCB_STATACK_RNR 0x10
#define FXP_SCB_STATACK_CNA 0x20
#define FXP_SCB_STATACK_FR 0x40
#define FXP_SCB_STATACK_CXTNO 0x80
#define FXP_SCB_COMMAND_MASK 0xff
#define FXP_SCB_COMMAND_CU_NOP 0x00
#define FXP_SCB_COMMAND_CU_START 0x10
#define FXP_SCB_COMMAND_CU_RESUME 0x20
#define FXP_SCB_COMMAND_CU_DUMP_ADR 0x40
#define FXP_SCB_COMMAND_CU_DUMP 0x50
#define FXP_SCB_COMMAND_CU_BASE 0x60
#define FXP_SCB_COMMAND_CU_DUMPRESET 0x70
#define FXP_SCB_COMMAND_RU_NOP 0
#define FXP_SCB_COMMAND_RU_START 1
#define FXP_SCB_COMMAND_RU_RESUME 2
#define FXP_SCB_COMMAND_RU_ABORT 4
#define FXP_SCB_COMMAND_RU_LOADHDS 5
#define FXP_SCB_COMMAND_RU_BASE 6
#define FXP_SCB_COMMAND_RU_RBDRESUME 7
/*
* Command block definitions
*/
struct fxp_cb_nop {
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
};
struct fxp_cb_ias {
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
volatile u_int8_t macaddr[6];
};
/* I hate bit-fields :-( */
struct fxp_cb_config {
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
volatile u_int8_t byte_count:6,
:2;
volatile u_int8_t rx_fifo_limit:4,
tx_fifo_limit:3,
:1;
volatile u_int8_t adaptive_ifs;
volatile u_int8_t :8;
volatile u_int8_t rx_dma_bytecount:7,
:1;
volatile u_int8_t tx_dma_bytecount:7,
dma_bce:1;
volatile u_int8_t late_scb:1,
:1,
tno_int:1,
ci_int:1,
:3,
save_bf:1;
volatile u_int8_t disc_short_rx:1,
underrun_retry:2,
:5;
volatile u_int8_t mediatype:1,
:7;
volatile u_int8_t :8;
volatile u_int8_t :3,
nsai:1,
preamble_length:2,
loopback:2;
volatile u_int8_t linear_priority:3,
:5;
volatile u_int8_t linear_pri_mode:1,
:3,
interfrm_spacing:4;
volatile u_int8_t :8;
volatile u_int8_t :8;
volatile u_int8_t promiscuous:1,
bcast_disable:1,
:5,
crscdt:1;
volatile u_int8_t :8;
volatile u_int8_t :8;
volatile u_int8_t stripping:1,
padding:1,
rcv_crc_xfer:1,
:5;
volatile u_int8_t :6,
force_fdx:1,
fdx_pin_en:1;
volatile u_int8_t :6,
multi_ia:1,
:1;
volatile u_int8_t :3,
mc_all:1,
:4;
};
struct fxp_tbd {
volatile u_int32_t tb_addr;
volatile u_int32_t tb_size;
};
struct fxp_cb_tx {
volatile u_int16_t cb_status;
volatile u_int16_t cb_command;
volatile u_int32_t link_addr;
volatile u_int32_t tbd_array_addr;
volatile u_int16_t byte_count;
volatile u_int8_t tx_threshold;
volatile u_int8_t tbd_number;
/*
* The following isn't actually part of the TxCB.
*/
volatile struct fxp_tbd tbd[29];
struct mbuf *mb_head;
struct fxp_cb_tx *next;
};
/*
* Control Block (CB) definitions
*/
/* status */
#define FXP_CB_STATUS_OK 0x2000
#define FXP_CB_STATUS_C 0x8000
/* commands */
#define FXP_CB_COMMAND_NOP 0x0
#define FXP_CB_COMMAND_IAS 0x1
#define FXP_CB_COMMAND_CONFIG 0x2
#define FXP_CB_COMMAND_MAS 0x3
#define FXP_CB_COMMAND_XMIT 0x4
#define FXP_CB_COMMAND_RESRV 0x5
#define FXP_CB_COMMAND_DUMP 0x6
#define FXP_CB_COMMAND_DIAG 0x7
/* command flags */
#define FXP_CB_COMMAND_SF 0x0008 /* simple/flexible mode */
#define FXP_CB_COMMAND_I 0x2000 /* generate interrupt on completion */
#define FXP_CB_COMMAND_S 0x4000 /* suspend on completion */
#define FXP_CB_COMMAND_EL 0x8000 /* end of list */
/*
* RFA definitions
*/
struct fxp_rfa {
volatile u_int16_t rfa_status;
volatile u_int16_t rfa_control;
volatile u_int32_t link_addr;
volatile u_int32_t rbd_addr;
volatile u_int16_t actual_size;
volatile u_int16_t size;
};
#define FXP_RFA_STATUS_RCOL 0x0001 /* receive collision */
#define FXP_RFA_STATUS_IAMATCH 0x0002 /* 0 = matches station address */
#define FXP_RFA_STATUS_S4 0x0010 /* receive error from PHY */
#define FXP_RFA_STATUS_TL 0x0020 /* type/length */
#define FXP_RFA_STATUS_FTS 0x0080 /* frame too short */
#define FXP_RFA_STATUS_OVERRUN 0x0100 /* DMA overrun */
#define FXP_RFA_STATUS_RNR 0x0200 /* no resources */
#define FXP_RFA_STATUS_ALIGN 0x0400 /* alignment error */
#define FXP_RFA_STATUS_CRC 0x0800 /* CRC error */
#define FXP_RFA_STATUS_OK 0x2000 /* packet received okay */
#define FXP_RFA_STATUS_C 0x8000 /* packet reception complete */
#define FXP_RFA_CONTROL_SF 0x08 /* simple/flexible memory mode */
#define FXP_RFA_CONTROL_H 0x10 /* header RFD */
#define FXP_RFA_CONTROL_S 0x4000 /* suspend after reception */
#define FXP_RFA_CONTROL_EL 0x8000 /* end of list */
/*
* Statistics dump area definitions
*/
struct fxp_stats {
volatile u_int32_t tx_good;
volatile u_int32_t tx_maxcols;
volatile u_int32_t tx_latecols;
volatile u_int32_t tx_underruns;
volatile u_int32_t tx_lostcrs;
volatile u_int32_t tx_deffered;
volatile u_int32_t tx_single_collisions;
volatile u_int32_t tx_multiple_collisions;
volatile u_int32_t tx_total_collisions;
volatile u_int32_t rx_good;
volatile u_int32_t rx_crc_errors;
volatile u_int32_t rx_alignment_errors;
volatile u_int32_t rx_rnr_errors;
volatile u_int32_t rx_overrun_errors;
volatile u_int32_t rx_cdt_errors;
volatile u_int32_t rx_shortframes;
volatile u_int32_t completion_status;
};
#define FXP_STATS_DUMP_COMPLETE 0xa005
#define FXP_STATS_DR_COMPLETE 0xa007
/*
* Serial EEPROM control register bits
*/
/* shift clock */
#define FXP_EEPROM_EESK 0x01
/* chip select */
#define FXP_EEPROM_EECS 0x02
/* data in */
#define FXP_EEPROM_EEDI 0x04
/* data out */
#define FXP_EEPROM_EEDO 0x08
/*
* Serial EEPROM opcodes, including start bit
*/
#define FXP_EEPROM_OPC_ERASE 0x4
#define FXP_EEPROM_OPC_WRITE 0x5
#define FXP_EEPROM_OPC_READ 0x6
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